I need some help from a script nuller

I have a script that I need to make sure has 0 callbacks but I am new to this so I am not sure what to look for. I can't find the most obvious things, so I am not sure. Please PM me if you're willing to give a guy a hand for a little bit. Thanks.

Note that adblockers might block our captcha, and other functionality on BHW so if you don't see the captcha or see reduced functionality please disable adblockers to ensure full functionality, note we only allow relevant management verified ads on BHW.